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20110701
20110731
STATION
KQEH (PBS) 1
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are watching live from singapore and london. still to come, safeguarding one of afghanistan's architectural treasures. that battle to preserve this historic city. >> and blended kickstart the final race to the finish line to the olympics. and independent inquiry has found that one in 10 experiments on monkeys has no clear sign to the purpose. studies involving monkeys have led to important benefits over the years, such as the development of a polio vaccine and treatment for strokes and parkinson's disease. an animal welfare groups describe the inquiry's findings as chilling. >> it is done in cases where we believe it will yield fantastic results that meat -- that may either now or sometime in the future be important for human health. >> but is all the research carried out really necessary? and does it always lead to a scientific and medical benefits? according to a review of research on monkeys, on the whole, the work is of high quality and were continuing, but there were some concerns. -- worth continuing, but there were some concerns. >> some of the work does not justify continuing in ter
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